Flake8 migrated to GitHub (#46)

See https://www.reddit.com/r/Python/comments/yvfww8/flake8_took_down_the_gitlab_repository_in_favor/ for additional information. The Pre-Commit-Hook currently fails due to the broken repository url.

Signed-off-by: Eduard Itrich <eduard@itrich.net>

Author: itrich

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
     hooks:
       - id: black
 
-  - repo: https://gitlab.com/pycqa/flake8
+  - repo: https://github.com/PyCQA/flake8
     rev: 3.9.2
     hooks:
       - id: flake8